ABC26IN0769 · Organometallic Compounds

Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallics – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Hard

The CORRECT order of $\mathrm{pK}_{\mathrm{a}}$ for the compounds I to IV in water at 298 K is
\[ \underset{\text{I}}{\mathrm{HCo(CO)_4}} \quad \underset{\text{II}}{\mathrm{HCo(CO)_3(PPh_3)}} \quad \underset{\text{III}}{\mathrm{HCo(CO)_3(P(OPh)_3)}} \quad \underset{\text{IV}}{\mathrm{HCo(CO)_2(PPh_3)_2}} \]
(a)I $>$ III $>$ II $>$ IV
(b)IV $>$ II $>$ III $>$ I
(c)IV $>$ III $>$ II $>$ I
(d)I $>$ II $>$ III $>$ IV
Answer
Answer (as printed): D
Explanation
No explanation was printed for this question.

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